发明授权
US4462919A Ferromagnetic resin composition containing polymeric surface precoated magnetic rare earth cobalt powders 失效
含有聚合物表面预涂磁性稀土钴粉末的铁磁树脂组合物

Ferromagnetic resin composition containing polymeric surface precoated
magnetic rare earth cobalt powders
摘要:
A ferromagnetic resin composition obtained by filling a thermoplastic resin with 70 to 97% by weight of rare earth-cobalt powder, the surface of which has been coated with a thermosetting resin or a thermoplastic resin. The composition gives a plastic magnet excellent in impact resistance.
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